doc: add parallelism note to os.cpus()

With the introduction of os.availableParallelism(), users should no longer rely on os.cpus().length to determine the amount of available parallelism. This commit adds a note to the os.cpus() docs. PR-URL: #45895 Reviewed-By: Moshe Atlow <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]>
nodejs · Jan 5, 2023 · faf5c23 · faf5c23
1 parent d71883e
commit faf5c23
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/doc/api/os.md b/doc/api/os.md
@@ -140,6 +140,10 @@ The properties included on each object include:
 `nice` values are POSIX-only. On Windows, the `nice` values of all processors
 are always 0.
 
+`os.cpus().length` should not be used to calculate the amount of parallelism
+available to an application. Use
+[`os.availableParallelism()`](#osavailableparallelism) for this purpose.
+
 ## `os.devNull`
 
 <!-- YAML